Improvement in grain-separators



J. R. ALLEN. Grain Screen. No. 97,584. Patented Dec. 7, 1869.

the county of J ohnsou, and in the State of Indiana,

reference being had to the accompanying drawings,

eration; referring to the annexed drawings, which form metal.

iiinitrd swag.

Letters PatentNo. 97,584, dated December 7, 1869 antedated November 27, 1869;

IMPROVEMENT IN GRAIN-SEPARATORS.

,The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern! the purpose, and they may be placed in any manner Be it known that I, J. R. ALLEN, of Edinburg, in

deemed most advantageous, although I prefer cutting the metal sheet in such a manner that the wings are iu'regular rows, as seen in fig. 1. w

' Bet-ween theserows the sheet B is cut with. similar or other-shaped wings, I) I), set upward, thus forming alternate rows of apertures and wings, set downward and upward.

' This may he used for any purpose that a riddle is required for-in separating chaff and straw from graii'i more particularly.

Having thus fully described my invent-ion,

What 1 claim, and desire to secure by Letters Patcut, is---- The metal plate 13, provided withthe wings a a, and the wings I) I), placed in rows, and connected to the frame A, substantially as and for the purposes specified.

In testimony that I claim the foregoing, I have hereunto set my hand, this 9th day of-March, 1869.

' J. B. ALLEN.

have invented certain new and usefiillmpi ovements in Grain-Separator and do hereby declare that the following is a full, clear, and exact description thereof,

and to-the letters of reference marked thereon.

The nature of my invention consists in the construction of a riddle for a grain-separator, as will be hereinafter fully set forth.

In order to enable others skilled in the art to which my invention appertains, to make and use the same, I will now proceed to describe its construction and opa part of this specification, and in which- Figure 1 is a plan view, and Figure 2,a lo1 1gitudinal vertical section. A represents a frame, of any suitahledirnensions,

on the under side of which is secured a sheet, B, of

This sheet of metal is cut with a number of wings,

V a a. set downward, t0 conduct the air upward, and Witnesses:

facilitate the passage of the graindownward. These ISAAC ll. ToBIUs. wings may he of any shape desired, and still answer J. R. SHARP. 

